Rollon — ORC Rating | RegattaPages

GPH

661.3

OSN

637.8

LOA

14.98 m

Displacement

31000 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.572

Medium

0.8141

High

0.9925

Triple Offshore

Low

0.7513

Medium

1.0408

High

1.2278

Boat Specifications

Dimensions

Length overall: 14.98 m
Beam: 4.75 m
Draft: 2.77 m
Displacement: 31000 kg
Crew weight: 1097 kg
Wetted surface: 81.66 m²

Sails

Mainsail: 85.95 m²
Genoa: 31 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 177.24 m²

Design

Type: SKØYTE
Builder: Colin Archer
Designer: Colin Archer
Year built: 1918
Stability index: 133.3

Velocity Prediction

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.

6,46.6,4.03151,52,4.38,60,4.77,75,5.11,90,5.45,110,5.39,120,5.17,135,4.62,145.1,4.157767,150,3.94
8,44.8,4.960746,52,5.43,60,5.8,75,6.17,90,6.55,110,6.51,120,6.31,135,5.81,146.9,5.25236,150,5.08
10,43,5.592369,52,6.19,60,6.55,75,7.02,90,7.5,110,7.51,120,7.3,135,6.76,147.4,6.148715,150,5.98
12,41.8,6.076654,52,6.84,60,7.25,75,7.64,90,8.08,110,8.14,120,8.03,135,7.64,146.5,7.015349,150,6.76
14,42.4,6.567763,52,7.38,60,7.75,75,7.99,90,8.38,110,8.49,120,8.43,135,8.19,146.9,7.699482,150,7.45
16,42.4,6.892766,52,7.7,60,8.03,75,8.24,90,8.55,110,8.75,120,8.73,135,8.53,149.2,7.963119,150,7.9
20,42,7.293329,52,8.02,60,8.29,75,8.54,90,8.76,110,9.2,120,9.29,135,9.11,150,8.48,176.6,7.853824

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.38	4.77	5.11	5.45	5.39	5.17	4.62	3.94
8	5.43	5.8	6.17	6.55	6.51	6.31	5.81	5.08
10	6.19	6.55	7.02	7.5	7.51	7.3	6.76	5.98
12	6.84	7.25	7.64	8.08	8.14	8.03	7.64	6.76
14	7.38	7.75	7.99	8.38	8.49	8.43	8.19	7.45
16	7.7	8.03	8.24	8.55	8.75	8.73	8.53	7.9
20	8.02	8.29	8.54	8.76	9.2	9.29	9.11	8.48

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.6°	2.77	145.1°	3.41
8	44.8°	3.52	146.9°	4.4
10	43°	4.09	147.4°	5.18
12	41.8°	4.53	146.5°	5.85
14	42.4°	4.85	146.9°	6.45
16	42.4°	5.09	149.2°	6.84
20	42°	5.42	176.6°	7.84

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